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Windows · Kirkland, WA

How much does wood and fiberglass window replacement cost in Kirkland, WA? (2026)

In Kirkland, wood and fiberglass window replacement runs $11,900$29,500, with most paying around $20,700about 18% above the national average. Whole-home window replacement with premium wood or fiberglass windows — higher cost, better looks and longevity.

Updated June 2026 · Localized estimate, not a quote

Kirkland · 2026 estimate
$11,900 $29,500

Most homeowners pay around $20,700

$11,900typical $20,700$29,500
Typical cost
$20,700
Labor vs US
+14%
Climate
Mixed
Local permit
$125

Refine your estimate

Tune it to your home to narrow the wood and fiberglass window replacement range.

10 windows
1 window30 windows
Quality tier
Conditions & add-ons
Your adjusted estimate
$11,900 $29,500
Most likely $20,700

Key takeaways for Kirkland

  • Priced about 18% above the national average, wood and fiberglass window replacement in Kirkland spans $11,900 to $29,500 — figure $20,700 for a standard job.
  • Labor is the swing factor here: Kirkland trades bill +14% relative to the national average.
  • Around $125 of the range above goes to the local Windows permit, not an extra line item.
  • Service life runs 30–50 years on average; replacing on your schedule beats replacing on an emergency one.
  • Time it right and you can save 5–15%: the best window to book is Late fall and winter.
  • Federal 25C/25D tax credits and local utility rebates can lower the net cost — see the rebates section below.
Price breakdown

What goes into the price in Kirkland

A typical Kirkland wood and fiberglass window replacement of $20,700 breaks down roughly like this — materials priced near the national level, labor set by local rates.

Line itemKirkland 2026 range
Materials & equipmentHardware and supplies for the job; national pricing applies almost everywhere you go.$5,300 $13,200
Labor & installationRemoval, install and startup labor — the line most affected by where you live.$6,475 $16,175
Permit & feesWhat this city's building department charges for a Windows permit.$125
Total installed cost$11,900 $29,500

Split from the Kirkland estimate using a 55% local-labor share; line items sum to the total.

Local factors

Why wood and fiberglass window replacement costs what it does in Kirkland

  • Kirkland's labor rates sit about 14% higher than the national average (based on price levels for the Seattle-Tacoma-Bellevue metro area), pushing the price up.
  • Kirkland's Windows permit runs roughly $125, which is already part of the number above.
Given the seasonal swings here, look for a balanced low-E package on wood and fiberglass window replacement to handle both heating and cooling seasons. Look for a glass package rated in the mid-range for both U-factor and SHGC; Washington's two-season load rewards balance over a single-climate spec.
By size

Wood & Fiberglass Window Replacement cost by number of windows in Kirkland

Wood and fiberglass windows are a premium upgrade — figure roughly $800–$2,500 per window installed depending on material, size, and finish. Cost scales with the number of openings, and wood typically runs higher than fiberglass.

number of windowsKirkland 2026 range
5 windows$5,400 $13,050
10 windows$10,700 $23,650
15 windows$16,000 $33,050
20 windows$21,300 $42,450
25+ windows (whole home)$26,000 $53,000

National size ranges localized to Kirkland labor and climate.

By type

Wood & Fiberglass Window Replacement cost by type in Kirkland

Fiberglass$11,950 $26,100
Composite$13,100 $27,250
Aluminum-clad wood$15,450 $32,000
Solid wood$16,650 $35,550

Adjusted to Kirkland from national type-level ranges.

By efficiency

Wood & Fiberglass Window Replacement cost by efficiency in Kirkland

Frame material sets the price and the look. Fiberglass is durable and low-maintenance; wood (often clad in aluminum outside) offers the richest appearance but costs more. The glass package adds on top. Prices are per window installed.

Fiberglass frame (double-pane low-E)Strong, stable, very low maintenance$850 $1,750
Wood frame / aluminum-clad woodPremium look; needs periodic finishing$1,300 $2,700
Triple-pane premium (wood or fiberglass)Top efficiency and sound control$1,750 $3,400
Where the money goes

Labor vs. materials in Kirkland

Labor (55%)
$11,400

Install crew, removal, permit & startup — the part Kirkland rates move most.

Materials (45%)
$9,300

Equipment & materials — priced closer to the national level.

Split based on a typical $20,700 Kirkland project; your mix varies with scope.

Skilled installers in the Seattle-Tacoma-Bellevue area earn about $41.1/hr (32% above the US average, per BLS metro wage data) — the local wage is what moves the labor half of your wood and fiberglass window replacement cost.

Methodology

How we estimate it

National range$10,000 $25,000
Kirkland labor adjustment×1.18
mixed climate factor×1
Local permit+$125
Kirkland estimate$11,900 $29,500
Typical 2026
$20,700
Range
$11,900$29,500
Climate
mixed
Local permit
$125

Promo prices vs. the real cost

Advertised window pricing quotes the unit and skips the labor that makes it watertight. Measure the ad against the full installed number above, not the sticker on the glass:

  • "Buy 2, get 2" / BOGO dealsdiscount is off an inflated list price
  • "From $189/window" teaserinstall, trim & disposal usually extra
  • Financing offers$0 down · 0% APR, 12–60 mo
  • Free in-home estimate$0 — it's a sales visit
Hidden costs

Additional wood and fiberglass window replacement costs to budget for

These hit some bids and skip others. The deciding factors are your home's condition, layout and what the crew finds once work begins.

Old window removal & disposalPer window; usually bundled into the quote$30 $75
Full-frame (vs. insert/pocket) replacementPer window; standard for wood to flash properly$150 $450
Rotted sill / frame repairPer opening, found after removal$200 $800
Custom or non-standard size / shapeBay, bow, arched, or oversized units cost more$200 $1,000
Interior/exterior trim, casing & stainingPer window; wood often gets a stained finish$100 $400

Typical national add-on ranges; confirm locally during your quote.

What's included

  • Premium wood or fiberglass windows
  • Interior and exterior trim
  • Old window removal
  • Installation, flashing and sealing

What affects the cost

  • Custom sizing and shapes
  • Material (fiberglass vs solid wood vs clad)
  • Number of windows
  • Historic or architectural matching

Ways to save on wood and fiberglass window replacement in Kirkland

  • Fiberglass costs less than wood with similar looks
  • Use premium only where visible, vinyl elsewhere
  • Bundle the whole house in one job
  • Check efficiency rebates
Lifespan

How long does wood and fiberglass window replacement last in Kirkland?

Expected lifespan
3050 years

Fiberglass lasts 30–50+ years; well-maintained wood can match it, but neglected wood rots far sooner.

Annual maintenance
$25$150/yr

Fiberglass is nearly maintenance-free. Wood (and the exterior of clad units) needs periodic repainting or re-staining and seal checks.

When to replace

Signs you need wood and fiberglass window replacement in Kirkland

  • Windows stick, swell, or are hard to open and close
  • Fog or condensation appears between the panes (the seal has failed)
  • Wood frames show rot, soft spots, peeling paint, or water staining
  • You feel drafts near the window when it's shut
  • They're single-pane originals and energy bills are high
  • Visible warping, cracking, or daylight around the sash
  • Outside noise comes through easily
Decision

Repair or replace in Kirkland?

Wood windows are often worth restoring if the frame is solid — repair rot and reglaze rather than replace. Switch to full replacement once rot is structural or the seals are failing across many units.

Repair if…

  • The wood frame is structurally sound and just needs refinishing or minor rot repair
  • Only the seal, weatherstripping, or hardware has failed
  • It's a historic or character window worth restoring
  • The unit is under warranty

Replace if…

  • Condensation is sealed between the panes (the IGU seal is gone)
  • Rot has spread into the structural frame or sill
  • They're single-pane and you want major energy savings
  • Several windows are failing — bulk replacement lowers per-window cost

Climate-zone spec

What window rating you need in Kirkland, WA

Kirkland, WA sits in a mixed climate — the North-Central / South-Central ENERGY STAR window zone. To qualify for ENERGY STAR (v7.0), replacement windows here should meet:

U-factor (insulation)
≤ 0.25–0.28
SHGC (solar heat gain)
≤ 0.40 (North-Central) to ≤ 0.23 (South-Central)

Mixed climates need balance: a low U-factor for winter plus a controlled SHGC so summer sun doesn't overheat the home. Requirements tighten as you move south.

Thresholds from ENERGY STAR Residential Windows v7.0. Costadia groups cities into cold / mixed / hot bands — for your exact county's zone, use the ENERGY STAR Climate Zone Finder. Source.

Rebates & incentives

The federal window tax credit is gone for 2026, but ENERGY STAR windows can still earn utility rebates in some areas — and the real long-run savings come from lower heating and cooling bills.

  • The federal 25C tax credit (up to $600/yr for ENERGY STAR Most Efficient windows) ended December 31, 2025 under the One Big Beautiful Bill Act — not available for 2026.
  • Some utilities still rebate high-efficiency windows — real examples include Mass Save (~$75/window on single-pane replacements) and Puget Sound Energy (up to $100/window, more for income-qualified, through 2026).
  • There is no federal HEAR rebate for windows (that program targets electrification equipment like heat pumps), so utility and state programs are the path — check the DSIRE database.
  • The durable savings are on your energy bills: right-rated windows for your climate zone cut heating/cooling costs every year (see the climate-zone spec above).

Verified July 2026. Program budgets and windows change fast — confirm current amounts and eligibility with your utility and the DSIRE database. Costadia does not administer these programs.

Rebates & tax credits

The federal 25C window tax credit (30%, up to $600) ended December 31, 2025 and no longer applies to 2026 installs. ENERGY STAR Most Efficient wood or fiberglass windows still pay back through lower energy bills, and many utilities and states offer their own rebates — check the DSIRE database.

Best time to buy

Cheapest time for wood and fiberglass window replacement in Kirkland

Installers discount labor in the slow winter months, and manufacturers layer rebates on top during the same stretch — buying off-season means catching both at once instead of neither.

Best window
Late fall and winter
Avoid
Spring and summer peak
Off-peak savings
5–15%
Check for manufacturer promotions before you buy, and aim to install during the slow season — that combination beats buying at any other time of year.
Reading your quotes

Why wood and fiberglass window replacement quotes vary — and how to compare them fairly

A wide spread between bids rarely means someone is overcharging; it usually means they priced different work. Below is what moves the number and how to line the quotes up.

Why a quote looks high (or low)

  • Glass package (double vs. triple pane, low-E, gas fill) swings the price.
  • Full-frame replacement costs more than an insert (pocket) install — make sure bids match.
  • Trim, disposal and exterior flashing/caulking may be excluded.

Get an apples-to-apples bid

  • Specify full-frame vs. insert for every bid.
  • Compare frame material on equal terms.
  • Check warranties on frame, glass seal and labor separately.
  • Match the glass package and ENERGY STAR rating across quotes.
Hiring

Questions to ask Kirkland Windows pros

Level the field before you choose — ask each bidder the same questions and watch how the answers differ.

  1. 1Is this a full-frame replacement or an insert (pocket) install?
  2. 2What's the glass package — double vs. triple pane, low-E coating, gas fill?
  3. 3Are disposal, trim, and exterior caulking/flashing included?
  4. 4Are the windows ENERGY STAR rated for my climate zone?
  5. 5What's the warranty on the frame, glass seal, and the installation labor?
FAQ

Wood & Fiberglass Window Replacement in Kirkland

How much does wood and fiberglass window replacement cost in Kirkland, WA?

Expect to pay $11,900 to $29,500 for wood and fiberglass window replacement in Kirkland in 2026 — most quotes cluster around $20,700. Kirkland labor rates, the mixed climate and permit fees each shift the total, and all three already sit inside this range.

Is wood and fiberglass window replacement more expensive in Kirkland than average?

Labor is the biggest lever here: at an index of 1.18 versus the US average, Kirkland ends up about 18% higher than the national average. — the local Windows permit, about $125, is part of that too.

Do I need a permit for wood and fiberglass window replacement in Kirkland?

Do you need a permit? For this work in Kirkland, yes — a Windows permit at roughly $125, and the estimate above already carries it.

What affects wood and fiberglass window replacement cost the most?

Whole-home window replacement with premium wood or fiberglass windows — higher cost, better looks and longevity. From there, a handful of specifics push the final number up or down. The biggest drivers are equipment/material grade, the size and complexity of your home, local labor rates, and your climate zone (mixed).

Editors' roundtable

How much should new windows really cost you?

Where a window budget goes wrong is usually the mismatch — premium frames paired with basic glass, or a good window sunk by a rushed install. Frame, glazing and install method each pull the price, and each deserves its own decision.

The efficiency case

Extreme climates are the one setting where premium glazing pays for itself over the years: triple-pane and gas-fill packages hold indoor temperatures steadier and trim the utility bill, with rebate eligibility a possible bonus on ENERGY STAR models. Between a better frame and better glass, the glass is where the payback lives.

The value case

Vinyl, double-pane, low-E windows deliver most of the comfort and efficiency for the lowest price. For whole-home replacements on a budget, they're the sensible default.

The install case

The best window on the market still fails when it's set into a bad opening without proper flashing. If the existing frame is rotted, a full-frame replacement that reseals the opening outlasts a cheap pocket insert every time — let the home's condition, not the lowest bid, decide the method.

Our take

Windows reward homeowners who spend deliberately: glass tuned to the climate, a vinyl frame by default, and an installer who won't skip flashing. Trim the frame line before you touch either of the other two.

Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.

How we calculated this estimate

We start with 2026 national wood and fiberglass window replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to Kirkland using the BLS metro wage data labor index (×1.18 here), the IECC mixed-climate factor (×1) and a typical local permit fee (≈$125). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.

This is a planning estimate, not a quote.Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.

By Serhat ÖzçelikReviewed by Costadia EditorialUpdated June 2026Sources: BLS · BEA · IECC · IRS · DSIRE · industry cost data

References & data sources

Our Kirkland wood and fiberglass window replacement estimate is built from these primary, mostly government sources — not a single aggregator.

  1. Occupational Employment & Wage Statistics (metro wages)U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
  2. Regional Price Parities (state & metro)U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
  3. IECC Climate ZonesU.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
  4. Home Energy Tax Credits (25C / 25D)Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
  5. Database of State Incentives for Renewables & EfficiencyDSIRE — NC State University.State and utility incentive programs by ZIP code.
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